They maintain their identities in nature mainly because of geographic solation. 它们在自然界保持了各自的鉴别特征,主要因为地理上的隔离。
Solation, identification and molecular property of one Newcastle Disease Virus ( NDV) from pigeon 一株肉鸽强毒新城疫的分离鉴定和分子特性分析
Spectrophotometric Determination of Nitrite in Aqueous Solation with Neutral Red 用中性红分光光度法测定亚硝酸根的研究
Research on treating reactive brilliant blue KN-R solation by microwave radiation 微波辐射处理活性艳蓝KN-R染料溶液的研究
Results show that some primary factors affect sol-gel transition, gelation formation and quality. These factors include the temperature of solation formation and sol-gel transition, drying time. 对溶胶-凝胶法的研究发现:溶胶形成温度、凝胶干化温度及干化时间等都是影响干凝胶质量的主要因素。
Based on the theory of probability and mathematical statistics, an optimized model of quality cost is propounded, and the solation of the model is derived. Therefore a definite principle of how to control quality cost by the testing method is acquired. 根据概率统计原理,提出了质量成本的优化模型,并对此模型的求解进行了推导,由此得出了控制质量成本的质量检验方法的确定原则。
This paper has found solation of circle packing problem by using chaos optimization method, and given a new idea for solving this problem. 本文利用混沌优化方法求解圆形Packing问题,为解决此问题提供了一种新的思路。
For the purpose of dealing with the poor steering performance of derivative tractors, this paper is an attempt to determine optimum parameters of steering trapezium mechanism, by establishing mathematical mode of practical steering angle of steering wheel and applying computer aided analysis to its solation. 为了解决变型拖拉机转向性能差等问题,采取建立转向车轮实际转向角的数学模型,计算机辅助分析方法,可以确定转向梯形机构参数的最佳值,从而较好地解决了转向性能差等问题。
This paper discusses the stiffness and damping of isolators for double-vibration solation system and gives the design formulas of stiffness of isolators when damping is considered. 本文讨论了电子设备采用双层隔振时减振器弹簧刚度及阻尼的设计方法,推导了当考虑阻尼时减振器的设计公式。